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P1300

Boost Calibration Fault

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By
KBB Service Advisor
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Reviewed by
Gary Hardesty

What Is the P1300 Code?

Symptoms
Causes
Seriousness
Can I Still Drive?
Diagnose
Difficulty of Inspecting
Get Additional Help

In a turbocharged engine, your vehicle will use a boost pressure sensor to gather information like air pressure and air/fuel ratios, which allows the powertrain control module (PCM) to regulate the engine performance more effectively. This is an extremely impressive addition to existing engine technology, and it’s a very complex piece of technology. This warning sign will pop up if the initial calibration that the engine does to ensure it’s working appropriately fails in some way.

More About the P1300 Code

While “Boost Calibration Fault” is a possible description for the P1300 code, it’s generally only used in Ford, Citroen, and Peugeot vehicles. Here are a few of the other vehicles you might see it with:

  • Acura, Audi, Honda, Isuzu, Land Rover, Kenworth, Peterbilt, Saab, Volkswagen: Random Misfire
  • BMW: Heated Catalyst Heater Power Supply Open Circuit Bank 2
  • Buick, Cadillac, Chevrolet, Geo, GM, Lexus: Ignition Coil 1 Primary Feedback Circuit
  • Chrysler, Dodge, Eagle, Mitsubishi: Ignition Timing Adjustment Circuit Conditions
  • Daewoo, Hyundae: TDC Sensor
  • Mercedes-Benz, Subaru: Crankshaft Position Sensor Malfunction

Remember, it’s critical that you look at the description for the P1300 code and not just the code itself, as this code especially carries a wide variety of descriptions, and different individuals may experience different issues with the same code.

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What Are the Symptoms of a P1300 Code?

The most common symptom of a P1300 code is simply that the check engine light will turn on. In many engines with this problem, in fact, this will be your only symptom. If you notice anything else, then the problem will often be small; a boost pressure sensor is simply a piece of equipment that makes the engine run more smoothly, and often when it’s under heavy strain. You may notice that the vehicle does experience more strain when it’s going very quickly, but you might not notice any driveability concerns at all.

What Are Some Causes of a P1300 Code?

The problems causing the P1300 code are generally issues with the boost pressure sensor or its harness. Whether you’re seeing a faulty boost pressure sensor, a shorted or open boost pressure sensor harness, or just generally poor electrical connections to the boost pressure circuit, the P1300 code often occurs because there’s something wrong with the connection between the boost pressure sensor and the PCM.

How Serious Is the P1300 Code?

The P1300 code doesn’t produce especially strong drivability concerns, if any at all, so you may assume that this problem really isn’t serious. Although it probably will start as a very non-serious problem, however, it’s good to remember that all codes that have to do with the engine will eventually create concerns if you allow them to stay for long enough. The best way to keep your vehicle functioning well for years to come is to fix even “non-serious” issues early on.

Can I Still Drive with a P1300 Code?

P1300 codes generally don’t cause issues strong enough to require you to avoid driving. However, the more you drive with an issue that’s impacting the engine, the more likely you are to experience long-term damage. Generally, if you see your check engine light turn on, you should stop driving the vehicle and take it to your local repair shop as soon as possible. This is the best way to get the problem fixed and make sure the problem doesn’t proliferate.

How Easy Is It to Diagnose a P1300 Code?

Information about the P1300 with the description of “Boost Calibration Fault” can be hard to come by, as it’s only in a few vehicles and a few makes and models within those vehicles. If you do start looking into your engine, then you might not even be sure what you’re looking for. The best thing to do is to talk to an expert instead; an expert will be able to determine what’s happening within your vehicle and give you the tools you need to fix it.

How Difficult Is It to Inspect a P1300 Code?

The inspection process of the P1300 code can be equally difficult. Do you know what a boost pressure sensor looks like when it’s not faulty, shorted, or open? Probably not, as it’s not a component of the vehicle that you’re likely to know much about. That means the inspection process can be very difficult, as you might not even know what you’re looking for. This is just one reason many people choose an expert’s help with this issue.

Need Additional Help with Your P1300 Code?

In general, because of the lack of information surrounding this code, you might want to choose to get help from an expert for the P1300 code. If you’re thinking about talking to an expert, then you need to make sure you have one close by who can help.

KBB is a great place to start, as the locator can help you find a repair shop in your area in the quickest way possible.

Additionally, don’t worry if you’re seeing multiple codes pop up in your engine. The KBB OBD-II database gives you more insight into all sorts of codes, including manufacturer-specific codes.

P1300 Q&A

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